CVE-2026-93603 vm2 before 3.12.1 Sandbox Escape RCE via Non-Strict Host Function

vm2 through 3.12.0 fixed in 3.12.1 does not correctly handle a nullish this receiver in the apply trap of its bridge lib/bridge.js: when sandboxed code calls a host-provided non-strict sloppy-mode function without a receiver — e.g. fn, a detached method, fn.call, fn.applyundefined, Reflect.applyf...